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[虚拟币交流]
穆长春:货币桥区块链是货币桥技术架构核心,底层采用大圣共识(转)
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“我们为货币桥平台搭建了一套技术系统,其核心是一个专门为货币桥开发的区块链:
) g# C' o; e( i& s, B) U$ ]货币桥区块链。”11月2日,天朝人民银行数字货币研究所穆长春在香港科技周货币桥座谈! M6 F4 M4 e3 d$ f. H; m' [
- z% H2 ?( M/ w
会上表示,货币桥区块链是货币桥技术架构的核心,支持原子化支付和外汇同步交收业务、
( ?, C9 F3 e& U7 b. c ]9 }
- y8 U0 V+ M. q6 R# A4 T* O钱包管理和隐私保护控制等。其底层的货币桥区块链采用了一种拜占庭容错算法——大圣7 x. j2 {: p8 X
3 N' e7 ^$ D: J) m% D5 j4 m. r共识,旨在缩短节点间达成共识所需的时间,提高整体协议性能及效率。" H( P. U2 ?4 q0 `2 D
会上,穆长春还介绍了货币桥的隐私架构设计。货币桥平台实现了对付款方和收款方
; I9 z5 ]1 h# P! f, [- d# @. O: r0 e6 {
身份、交易金额、调用的CBDC合约等核心交易数据的隐私控制。通过由随机生成的密钥对0 |/ K4 W$ X: \6 i& q% c. u8 r6 h
+ R; m" y# h2 [实现的假名机制,货币桥平台确保对于单笔跨境交易,只有交易对手方及对应的央行/货币
" v8 k1 H# l* @. }
$ O" H. ^7 f. h- x; Z) u当局才能了解交易详情。
+ X8 O, G- Y, J; V: R( S9 h5 B6 l1 C" d1 B
去年,天朝人民银行数字货币研究所(下称“数研所”)联合清华大学公开发布了可解决' z ?. p1 v) } x0 {- [
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共识算法四方难题的区块链大圣(DASHING)协议。经过一年多的发展,大圣协议已在多边! {& r+ ^7 ^8 F
% l8 K2 B6 ]0 j5 k: o
央行数字货币桥项目、央行贸易金融区块链平台等金融基础设施上落地应用。
9 _% ?* K9 h' B0 g. `$ K# Y
# y, s2 B+ k+ v, q 多边央行数字货币桥项目旨在尝试利用基于分布式账本技术(DLT)的公共平台进行跨境支付,$ r# Z9 ~* u* q+ c8 n
7 L {5 Q* L" `/ ^( N+ J0 U
多家央行可在该平台上发行和交换各自的央行数字货币。该项目由香港金管局、国际清算银行7 {* o! {, ^* W
2 R& h7 e1 [& x' }(香港)创新中心、泰国中央银行、天朝人民银行数字货币研究所,以及阿联酋中央银行组成
* K' i6 Y1 ^7 `2 r
& \, i- P: G- B& F% O项目指导委员会,由国际清算银行(香港)创新中心带领,四个小组委员会(技术、法律、政策7 w, _" P& F. r0 O5 l" V, \/ |
# [0 Z) x; O8 o w) x* Z/ P
和业务)提供支持。$ q0 ~/ ^" d- Y- Z
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